本文關鍵詞：城鎮(zhèn)供水系統(tǒng)加壓站節(jié)能改造研究與設計　出處：《太原理工大學》2017年碩士論文　論文類型：學位論文

  更多相關文章： 供水系統(tǒng) 加壓站 加壓站二次調(diào)度 人工蜂群 PLC

【摘要】：隨著城鎮(zhèn)化水平的不斷提高,城鎮(zhèn)居民和企業(yè)的用水量在不斷增加,城鎮(zhèn)供水網(wǎng)點也在不斷增多,城鎮(zhèn)供水管網(wǎng)規(guī)模也在不斷擴大。由于用水需求形式的變化,山西呂梁某供水公司原有供水系統(tǒng)難以滿足新形式下水資源的供應,需要對供水系統(tǒng)進行改造和升級。在分析了原有供水系統(tǒng)網(wǎng)點和供水管網(wǎng)的鋪設情況下,進行了供水系統(tǒng)總體升級改造規(guī)劃。在規(guī)劃中重點完成對二次加壓站系統(tǒng)的升級改造工作。針對原有加壓站系統(tǒng)在新增供水網(wǎng)點的情況下加壓能力不足的問題,完成了加壓站系統(tǒng)的硬件升級設計,包括傳感器,PLC,加壓泵和變頻器的選型以及相關電路的設計。針對原有加壓站系統(tǒng)恒壓變流量的調(diào)度方案能耗過高的問題,研究了新的調(diào)度方案。選擇變壓變流量的一級調(diào)度策略,在此基礎上進行了加壓站二次調(diào)度方案的研究,建立加壓站系統(tǒng)模型,利用人工蜂群算法,以加壓站最小泵群總功率為目標函數(shù),各加壓泵并聯(lián)高效運行為約束條件,進行二次加壓調(diào)度方案的尋優(yōu)求解,得出加壓泵群總功率最小的二次調(diào)度方案,并與遺傳算法尋優(yōu)過程進行了對比。依據(jù)調(diào)度方案,結(jié)合現(xiàn)場實際狀況,完成PLC程序的設計,包括主程序以及報警,數(shù)據(jù)處理,調(diào)度方案執(zhí)行等子程序的設計。針對原有網(wǎng)絡通訊穩(wěn)定性差的問題,設計了基于GPRS網(wǎng)絡的通訊改造方案,進行GPRS-DTU的設備選型,完成了PLC,DTU和監(jiān)控中心之間的通訊設置,實現(xiàn)了監(jiān)控中心固定IP的入網(wǎng)改造,提升供水系統(tǒng)的通訊穩(wěn)定性。根據(jù)改造方案,完成了監(jiān)控中心的改造設計、組態(tài)開發(fā)和數(shù)據(jù)庫的建立以及各個參數(shù)的匹配連接,并設計了供水系統(tǒng)的監(jiān)控界面以及與之對應的功能。
[Abstract]:With the improvement of the level of urbanization, urban residents and the consumption is increasing, urban water supply network is also increasing, urban water supply network scale is expanding continually. Due to changes in demand for water in the form of the original water supply system of Shanxi Lvliang water company to meet the new form of water supply, the need for transformation and the upgrade of the water supply system. In the analysis of the original water supply system laying outlets and water supply network, water supply system of overall upgrade planning. To complete the upgrade work station system pressure to the two in the planning focus. Based on the original pressure station system pressure capacity shortage in new water supply outlets under the condition of complete the pressure station system upgrading of hardware design, including sensors, PLC, design and selection of pressure pump and frequency converter and related circuit. Based on the original pressure The problem of high energy consumption scheduling scheme of constant pressure variable flow station system, study the new scheduling scheme. Choose a scheduling strategy of variable flow, on the basis of the research station two times scheduling scheme for pressurization of the pressurizing station to establish system model, using artificial bee colony algorithm, the minimum pressure station pumps for the total power the objective function, the pressure pump in parallel and efficient operation as constraint conditions, optimize solution seeking two pressurized scheduling scheme, the pressure two times scheduling scheme with minimum total power pump group, and the searching process of genetic algorithm are compared. According to the scheduling scheme, combined with the actual situation of the scene, to complete the design of the PLC program, including the main program and alarm, data processing, design and execution scheduling scheme based on the original network communication subroutine. The problem of poor stability, the design of communication scheme based on GPRS network, GPRS-DTU The selection of equipment, completion of the PLC, between the DTU and the monitoring center set up communications, realized the transformation of fixed IP network monitoring center, to enhance the stability of communication of the water supply system. According to the scheme, completed the renovation design of the monitoring center, connecting, development and the establishment of database and configuration parameters, and the design of the monitoring interface of water supply the system function and the corresponding.

【學位授予單位】：太原理工大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TU991

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本文編號：1414913